USO DA MICROBIOLIZAÇÃO CONTRA Lasiodiplodia theobromae EM SEMENTES DE PINUS SPP.

Maciel, Caciara Gonzatto; Muniz, Marlove Fátima Brião; Rolim, Jessica Mengue; Michelon, Rosa Maria Dalla Nora; Poletto, Tales; Rabuske, Jéssica Emília

doi:10.5380/rf.v47i1.44018

Cited by 5 publications

(3 citation statements)

References 9 publications

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“…Evaluating the antagonistic action of six biological products, including Trichodermil ® and Trichodel ® , Maciel et al (2017) found that antagonistic agents acted by expanding the seedlings final quality variables in Pinus taeda L. and Pinus elliottii Engel., not significantly interfering with seedling emergence.…”

Section: Discussionmentioning

confidence: 99%

Trichoderma spp. and its effects on seeds physiological quality and seedlings development of African mahogany

Lustosa

Araújo

Campos

et al. 2020

Agraria

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Trichoderma is a beneficial fungus that can be used in both the control of phytopathogens and in promoting germination and plant growth. Thus, this study aimed to evaluate the effect of five Trichoderma isolates (T09, T12, T52, Tc and Tce) in seven different application modes on seeds and seedlings of the Khaya ivorensis A. Chev. (African mahogany). Fungi applications were tested by microbiolization of the seeds, in the pre-planting substrate, by monthly applications in the seedlings and in four combinations of these three treatments. Under laboratory conditions, the germination, germination speed index (GSI), and radicle and hypocotyl lengths were evaluated in seeds, treated and untreated, with Trichoderma. In the nursery, it was evaluated the height, root collar diameter, number of leaflets, root length, and the dry weight of root system and aerial part in seedlings with different forms of Trichoderma application. Trichoderma isolates did not influence germination percentage, GSI and radicle length. The fungus application methods in the K. ivorensis seedlings increased the height and leaflets number of the plants by at least one of the Trichoderma isolates tested in this study.Trichoderma spp. e seus efeitos na qualidade fisiológica das sementes e no desenvolvimento de mudas de mogno africano RESUMO: Trichoderma é um fungo benéfico que pode ser utilizado tanto no controle de fitopatógenos como na promoção da germinação e do crescimento de plantas. Assim, objetivou-se avaliar o efeito de cinco isolados de Trichoderma (T09, T12, T52, Tc e Tce), em sete modos de aplicação, sobre sementes e mudas de Khaya ivorensis A. Chev. (mogno africano). Foram testadas aplicações dos fungos via microbiolização das sementes, no substrato pré-plantio, em aplicações mensais nas mudas e, em quatro combinações desses três tratamentos. Em condições de laboratório foram avaliados a germinação, índice de velocidade de germinação (IVG) e, o comprimento da radícula e hipocótilo, em sementes tratadas e não tratadas com Trichoderma. Em viveiro, avaliou-se altura, diâmetro do coleto, número de folíolos, comprimento da raiz e, a massa seca da parte aérea e sistema radicular em mudas com as diferentes formas de aplicação de Trichoderma. Os isolados de Trichoderma não influenciaram a porcentagem de germinação, o IVG e o comprimento da radícula. Os modos de aplicação dos fungos avaliados nas mudas de K. ivorensis aumentaram a altura e o número de folíolos das plantas, por pelo menos um dos isolados de Trichoderma testado neste trabalho.Palavras-chave: tratamento biológico; sementes florestais; fungos; promoção de crescimento; Khaya ivorensis Trichoderma spp. and its effects on seeds physiological quality and seedlings development of African mahogany Rev. Bras. Cienc. Agrar., Recife, v.15, n.1, e5843, 2020 2/7

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Section: Discussionmentioning

confidence: 99%

Trichoderma spp. and its effects on seeds physiological quality and seedlings development of African mahogany

Lustosa

Araújo

Campos

et al. 2020

Agraria

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“…Oliveira et al (2016) studied B. subtilis inoculation in common bean seed lots with low and high vigor and observed an increase in seedling dry weight. Maciel et al (2017) reported growth in Pinus spp. seedlings from seeds microbiolized with B. subtilis.…”

Section: Produção De Feijão Vagem Oriunda De Sementes Tratadas Com Ba...mentioning

confidence: 99%

Snap bean production from seeds treated with Bacillus subtilis

Ibanhes Neto,

Freiria,

Silva

et al. 2023

Pesqui. Agropecu. Trop.

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In order to ensure an adequate final stand and good yields in agricultural crops, a fast healthy seedling establishment in the field is essential and can be improved using seed treatment techniques. This study aimed to assess the effect of treating snap bean seeds with Bacillus subtilis doses on the development and yield components of the crop. Seeds of a determinate variety were used. A 4 × 4 + 1 factorial scheme was applied, being four seed treatments (film coating with and without drying, pre-imbibition and biopriming), four doses of B. subtilis-based commercial product (c.p.) (0, 7, 14 and 28 mL c.p. kg−1 of seed) and an absolute control. The analyzed variables were seed moisture content, seedling emergence, leaf length, width and area, plant height and height to first pod at harvest, number of trifoliate leaves and pods, pod length and number of grains per pod, and pod fresh and dry weight. The pre-imbibition and biopriming treatments were equal or superior to the absolute control. Associating these treatments with doses of 7-14 mL c.p. kg−1 for pre-imbibition and 0-28 mL c.p. kg−1 for biopriming favors both the traits assessed during the reproductive stage and the yield components of the snap bean.

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“…Belonging to the genre Lasiodiplodia, family Botryosphariaceae, order Botryosphaeriales, class Dothideomycetes and phylum Ascomycota the fungus Lasiodiplodia pseudotheobromae arise of a split of the specie Lasiodiplodia theobromae (Adetunji and Oleke, 2013). The fungus L. pseudotheobromae is an opportunist pathogen, cause rottenness in seeds, decrease germinative potential of the plants and there are several host plants for it (Maciel et al, 2017;Machado and Pinho, 2013). The fungus L. pseudotheobromae has excellent herbicidal activity against weed (Adetunji et al, 2017;Adetunji et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Bioreduction of α,β-unsaturated carbonyl compounds by Lasiodiplodia pseudotheobromae, endophytic fungus from Morinda citrifolia (RUBIACEAE)

Silva

Anjos

Oliveira

et al. 2020

RSD

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Biotransformations are reactions carried out by microorganisms that lead to changes in the structures of organic compounds, among the biotransformations there are bioreductions. Bioreductions are of great interest to the pharmaceutical and food industries, as they almost always lead to the formation of enantiomerically pure compounds. Thus, this work aimed to verify the ability of the fungus Lasiodiplodia pseudotheobromae in bioreduce α,β-unsaturated carbonyl compounds. Compounds (3E)-4-(2-methoxy-phenyl)-but-3-en-2-one (1), (1E, 4E)-1,5-diphenyl-pent-1,4-dien-3-one (2) and (1E, 4E)-1,5-bis-(2-methoxy-phenyl)-penta-1,4-dien-3-one (3) were used as substrates. The reactions were carried out on an orbital shaker for 8 days at room temperature. The products formed were characterized by analytical thin layer chromatography (ATLC), high performance liquid chromatography (HPLC) and hydrogen nuclear magnetic resonance (1H NMR). For all products formed was observed reduction in double bonds C=C and C=O leading to the formation of the respective alcohols. This is the first report of biotransformation reactions using the fungus Lasiodiplodia pseudotheobromae.

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USO DA MICROBIOLIZAÇÃO CONTRA Lasiodiplodia theobromae EM SEMENTES DE PINUS SPP.

Abstract: ResumoO uso de agentes biocontroladores em doenças de plantas é uma alterativa aos produtos químicos que vem conquistando seu espaço, isso, devido à condição atual de proteção e manutenção do meio ambiente.

Cited by 5 publications

References 9 publications

Trichoderma spp. and its effects on seeds physiological quality and seedlings development of African mahogany

Trichoderma spp. and its effects on seeds physiological quality and seedlings development of African mahogany

Snap bean production from seeds treated with Bacillus subtilis

Bioreduction of α,β-unsaturated carbonyl compounds by Lasiodiplodia pseudotheobromae, endophytic fungus from Morinda citrifolia (RUBIACEAE)

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